[ Note that the proper place to ask nt-specific question is <xemacs-nt(a)xemacs.org&gt;. ] greg(a)alphatech.com (Greg Klanderman) writes: HAVE_MS_WINDOWS should be used is for distinguishing MS Windows as a window system, sort of like HAVE_X_WINDOWS is used under Unix. WINDOWSNT will be defined under the native build, but not under Cygwin. __CYGWIN32__ should be defined under Cygwin only. -- Hrvoje Niksic <hniksic(a)srce.hr&gt; | Student at FER Zagreb, Croatia --------------------------------+-------------------------------- "Silence!" cries Freydag. "I did not call thee in for a consultation!" "They are my innards! I will not have them misread by a poseur!"